package main

import "fmt"

/*
func test() (int, int) {
	return 100, 200
}

*/

func main() {
	/*
		var a int
		var b string
		fmt.Println(a)
		fmt.Println(b)

	*/

	/*
		var a int = 100
		var b int = 200
		fmt.Println("a", a)
		fmt.Println("b", b)

		a, b = b, a
		fmt.Println("a", a)
		fmt.Println("b", b)

	*/

	/*
		_, a := test()
		fmt.Println(a)

	*/

	const (
		a = iota
		b = iota
		c = iota
		d = 0
		e = iota
	)
	fmt.Println(a, b, c, d, e)

}
